life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Empire Prokaryota (Dougherty 1957) Allsopp 1969 [monotypic] see Domain Bacteria Woese et al. 1990 Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 [paraphyletic] - bacteria see Kingdom Bacteria Cavalier-Smith 2002 Subkingdom Unibacteria Cavalier-Smith 1998 [paraphyletic?] see Subkingdom Unibacteria Cavalier-Smith 2002 Infrakingdom Archaebacteria (Woese and Fox 1977) Cavalier-Smith 1998 [monotypic] see Domain Archaea Woese et al. 1990 Phylum Mendosicutes Gibbons and Murray 1978 see Domain Archaea Woese et al. 1990 Subphylum Euryarcheota (C.R. Woese et al. 1990) Cavalier-Smith 1998 see Phylum Euryarchaeota Garrity and Holt 2001 Infraphylum Eurytherma Cavalier-Smith 1998 see Phylum Euryarchaeota Garrity and Holt 2001 Genus Thermoplasma Darland et al. 1970 (Approved Lists 1980) Thermoplasma acidophilum Darland et al. 1970 (Approved Lists 1980)